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EQUIPMENT Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Other Other Assets, Miscellaneous, Current Increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Redemption of noncontrolling interest Adjustment To Additional Paid In Capital, Redemption Of Noncontrolling Interest Adjustment To Additional Paid In Capital, Redemption Of Noncontrolling Interest Carbon Acquisitions Carbon Acquisitions [Member] Carbon Acquisitions Entity Central Index Key Entity Central Index Key Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Distributions to noncontrolling interest holders Noncontrolling Interest, Decrease From Distributions To Redeemable Noncontrolling Interest Holders Noncontrolling Interest, Decrease From Distributions To Redeemable Noncontrolling Interest Holders NGLs Propane [Member] Other Other Accrued Liabilities, Current Entity [Domain] Entity [Domain] Hedge Production Periods [Axis] Hedge Production Periods [Axis] Information about the production period subject to hedge instruments. City Area Code City Area Code Deferred financing costs - Revolving Credit Facility Debt Issuance Costs, Noncurrent, Net Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Retirement Benefits [Abstract] Retirement Benefits [Abstract] Net payments on settled commodity derivatives Proceeds (Payments) on Derivative Settlements to Reconcile Net Income Loss to Cash provided by Used in Operating Activities The net proceeds (payments) on derivative settlements, which increase (reduce) net income and are thus added (deducted) when calculating cash provided by or used in operating activities. Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Dividends [Axis] Dividends [Axis] CASH FLOW FROM FINANCING ACTIVITIES Net Cash Provided by (Used in) Financing Activities [Abstract] Variable Rate [Axis] Variable Rate [Axis] Repayments of senior debt Repayments of Senior Debt Warrant outstanding (in shares) Class of Warrant or Right, Outstanding Other long-term liabilities Other long-term liabilities Other Liabilities, Noncurrent INVESTMENTS AND RELATED PARTY TRANSACTIONS Equity Method Investments and Joint Ventures Disclosure [Text Block] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Capital investments Payments to Acquire Property, Plant, and Equipment Asset impairments Asset Impairment Charges Disaggregation of revenue Disaggregation of Revenue [Line Items] Schedule of Calculation of Basic and Diluted EPS Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Postretirement Benefit Other Postretirement Benefits Plan [Member] Taxes other than on income Taxes, Miscellaneous Fair value of derivative contracts Derivative Liability, Noncurrent